Nissan Versa Note. Manual - part 347

EC-370

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

P1225 TP SENSOR

P1225 TP SENSOR

DTC Logic

INFOID:0000000009020869

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure

before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Turn ignition switch OFF and wait at least 10 seconds.

3. Turn ignition switch ON.

4. Check 1st trip DTC.
Is 1st trip DTC detected?

YES

>> Go to 

EC-370, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009020870

1.

CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY

1. Turn ignition switch OFF.

2. Remove the intake air duct. Refer to 

EM-26, "Removal and Installation"

.

3. Check if foreign matter is caught between the throttle valve and

the housing.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Remove the foreign matter and clean the electric throttle

control actuator inside, and then perform throttle valve

closed position learning. Refer to 

EC-127, "Work Proce-

dure"

.

2.

REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

Replace electric throttle control actuator. Refer to 

EM-26, "Removal and Installation"

.

>> INSPECTION END

DTC No.

Trouble diagnosis content

DTC detecting condition

Possible cause

P1225

Closed throttle position learning 
performance

Closed throttle position learning value is excessively 
low.

Electric throttle control actuator
(TP sensor 1 and 2)

JSBIA2864ZZ

P1226 TP SENSOR

EC-371

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

C

D

E

F

G

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EC

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P1226 TP SENSOR

DTC Logic

INFOID:0000000009020871

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure

before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Turn ignition switch OFF and wait at least 10 seconds.

3. Turn ignition switch ON.

4. Repeat steps 2 and 3 for 32 times.

5. Check 1st trip DTC.
Is 1st trip DTC detected?

YES

>> Go to 

EC-371, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009020872

1.

CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY

1. Turn ignition switch OFF.

2. Remove the intake air duct. Refer to 

EM-26, "Removal and Installation"

.

3. Check if foreign matter is caught between the throttle valve and

the housing.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Remove the foreign matter and clean the electric throttle

control actuator inside, and then perform throttle valve

closed position learning. Refer to 

EC-127, "Work Proce-

dure"

.

2.

REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

Replace electric throttle control actuator. Refer to 

EM-26, "Removal and Installation"

.

>> INSPECTION END

DTC No.

Trouble diagnosis content

DTC detecting condition

Possible cause

P1226

Closed throttle position learning 
performance

Closed throttle position learning is not performed 
successfully, repeatedly.

Electric throttle control actuator
(TP sensor 1 and 2)

JSBIA2864ZZ

EC-372

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

P1550 BATTERY CURRENT SENSOR

P1550 BATTERY CURRENT SENSOR

DTC Logic

INFOID:0000000009429297

DTC DETECTION LOGIC

NOTE:

If DTC P1550 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to

EC-372, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at

least 10 seconds before conducting the next test.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 8V at idle.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1. Start engine and wait at least 10 seconds.

2. Check 1st trip DTC.
Is 1st trip DTC detected?

YES

>> Go to 

EC-372, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009429298

1.

CHECK GROUND CONNECTION

1. Turn ignition switch OFF.

2. Check ground connection E15. Refer to Ground Inspection in 

GI-44, "Circuit Inspection"

. 

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace ground connection.

2.

CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT

1. Disconnect battery current sensor harness connector.

2. Turn ignition switch ON.

3. Check the voltage between battery current sensor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair open circuit or sort to ground or short to power in harness or connectors.

3.

CHECK BATTERY CURRENT SENSOR GROUND CIRCUIT FOR OPEN AND SHORT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between battery current sensor harness connector and ECM harness connector.

DTC No.

Trouble diagnosis content

DTC detecting condition

Possible cause

P1550

Battery current sensor circuit 
range/performance

The output voltage of the battery current 
sensor remains within the specified 
range while engine is running.

• Harness or connectors

(The sensor circuit is open or shorted.)

• Battery current sensor

Battery current sensor

Ground

Voltage

Connector

Terminal

F9

1

Ground Approx. 5V

P1550 BATTERY CURRENT SENSOR

EC-373

< DTC/CIRCUIT DIAGNOSIS >

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4. Also check harness for short to ground and short to power.
Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair open circuit or sort to ground or short to power in harness or connectors.

4.

CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1. Check the continuity between battery current sensor harness connector and ECM harness connector.

2. Also check harness for short to ground and short to power.
Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair open circuit or sort to ground or short to power in harness or connectors.

5.

CHECK BATTERY CURRENT SENSOR

Refer to 

EC-373, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace battery negative cable assembly.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-41, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000009429299

1.

CHECK BATTERY CURRENT SENSOR

1. Reconnect harness connectors disconnected.

2. Disconnect battery negative cable.

3. Install jumper cable between battery negative terminal and body

ground.

4. Turn ignition switch ON.

5. Check the voltage between ECM harness connector and

ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace battery negative cable assembly.

Battery current sensor

ECM

Continuity

Connector

Terminal

Connector Terminal

F9

3

F11

68

Existed

Battery current sensor

ECM

Continuity

Connector

Terminal

Connector Terminal

F9

4

F11

58

Existed

ECM

Ground

Voltage

Connector

Terminal

F11

58

(Battery current sensor signal)

Ground Approx. 2.5V

JPBIA3287ZZ